.tab{
    width: 100%;
    height: 0.44rem;
    display: flex;
    justify-content: space-between;
    background: #d44439;
    position: relative;
    z-index: 100;
    .tab-item{
        text-align: center;
        flex: 1;
        line-height: 0.44rem;
        a{
            font-size: 0.14rem;
            color: #fff;
            font-weight: 700;
            padding-bottom: 0.02rem;
        }
        .active{
            border-bottom: 0.02rem solid #f1f1f1;
        }
    }
}